Inside Story - Northern Mali: An Islamic state?

Two rebel groups that took over northern Mali earlier this year have agreed to form an alliance and create an Islamic State and in the process are complicating an already unstable situation. Just what are the regional implications of an Islamic territory in the West African country? Inside Story with presenter Dareen Abughaida discusses with guests Shiraz Maher, Akli Sh'kka Sylvain Touati.